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Progressive Covering of the Accretion Disk Corona during Dipping in the LMXB XB 1916-053
R. Morley, M. J. Church, A. P. Smale +1
Results are reported for analysis of the extensive Rosat observation of the dipping low mass X-ray binary XB 1916-053. Dipping is 100% deep showing that the emission regions are co…
2-Nucleon 1-Loop Corrections to Pion Double Charge Exchange within Heavy Baryon Chiral Perturbation Theory
A. Misra, D. S. Koltun
One-loop corrections at the two-nucleon level to Pion Double Charge exchange (DCX) scattering off a nuclear target at threshold, are calculated within the framework of Heavy Baryon…
X-ray outburst of CI Cam/XTE J0421+560: RXTE observations
M. Revnivtsev, A. Emelyanov, K. Borozdin
We present the results of observations of XTE J0421+560 X-ray transient with Rossi X-ray Timing Explorer in the beginning of April 1998. Lightcurve, obtained by ASM all-sky monitor…
Quantum Carpets made simple
I. Marzoli, F. Saif, I. Bialynicki-Birula +3
We show that the concept of degeneracy is the key idea for understanding the quantum carpet woven by a particle in the box.
The double-lined spectroscopic binary alpha Andromedae: orbital elements and elemental abundances
T. Ryabchikova, V. Malanushenko, S. J. Adelman
We performed a spectroscopic study of the SB2 Mercury-Manganese star alpha And. Our measurements of the secondary's radial velocities result in improved orbital elements. The secon…
BeppoSax Spectral Survey of soft X-ray selected BL Lacs
A. Wolter, A. Comastri, G. Ghisellini +10
We present X-ray spectra obtained with BeppoSAX (Satellite per Astronomia X) of 10 BL Lac objects, selected from the Einstein Medium Sensitivity and Slew Surveys. We find that in a…